CN1985403B - 在多个发射路径上对准无线电基站节点的传输定时 - Google Patents

在多个发射路径上对准无线电基站节点的传输定时 Download PDF

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Publication number
CN1985403B
CN1985403B CN2005800230731A CN200580023073A CN1985403B CN 1985403 B CN1985403 B CN 1985403B CN 2005800230731 A CN2005800230731 A CN 2005800230731A CN 200580023073 A CN200580023073 A CN 200580023073A CN 1985403 B CN1985403 B CN 1985403B
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CN
China
Prior art keywords
transmission paths
power modulation
path
transmission
power
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN2005800230731A
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English (en)
Chinese (zh)
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CN1985403A (zh
Inventor
M·杰克
U·希尔德布兰德
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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Publication of CN1985403A publication Critical patent/CN1985403A/zh
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0667—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal
    • H04B7/0671—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of delayed versions of same signal using different delays between antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/14—Monitoring; Testing of transmitters for calibration of the whole transmission and reception path, e.g. self-test loop-back

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CN2005800230731A 2004-07-06 2005-06-30 在多个发射路径上对准无线电基站节点的传输定时 Expired - Fee Related CN1985403B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US58509804P 2004-07-06 2004-07-06
US60/585,098 2004-07-06
PCT/SE2005/001067 WO2006004526A1 (en) 2004-07-06 2005-06-30 Aligning radio base station node transmission timing on multiple transmit paths

Publications (2)

Publication Number Publication Date
CN1985403A CN1985403A (zh) 2007-06-20
CN1985403B true CN1985403B (zh) 2012-05-23

Family

ID=35783179

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2005800230731A Expired - Fee Related CN1985403B (zh) 2004-07-06 2005-06-30 在多个发射路径上对准无线电基站节点的传输定时

Country Status (5)

Country Link
US (1) US7729727B2 (de)
EP (1) EP1763908B1 (de)
CN (1) CN1985403B (de)
AT (1) ATE527722T1 (de)
WO (1) WO2006004526A1 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7742738B2 (en) 2006-12-27 2010-06-22 Nortel Networks Limited Method and system for diversity using orthogonal frequency/division multiplexing
JP5417346B2 (ja) 2008-02-28 2014-02-12 ペレグリン セミコンダクター コーポレーション 集積回路素子内でキャパシタをデジタル処理で同調するときに用いられる方法及び装置
EP2319184B1 (de) * 2008-08-25 2016-12-28 Nxp B.V. Vorrichtung und verfahren zum timen von signalen
CN102045754B (zh) 2009-10-22 2014-04-30 华为技术有限公司 发射机、基站设备和对齐发射机信号的方法
GB201000012D0 (en) * 2010-01-04 2010-02-17 Cambridge Silicon Radio Transmission timing adjustment in radio systems
US20110319034A1 (en) 2010-06-28 2011-12-29 Boe Eric N Method and system for propagation time measurement and calibration using mutual coupling in a radio frequency transmit/receive system
US9219540B2 (en) 2012-07-20 2015-12-22 Freescale Semiconductor, Inc. Method and system for phase compensation in multi-path communication device
EP2875591B1 (de) * 2012-07-20 2017-03-22 Telefonaktiebolaget LM Ericsson (publ) Einstellung einer empfangs- und übertragungs-zeitplanung für schaltfehler in einem kommunikationssystem
US10712515B2 (en) 2013-09-17 2020-07-14 Commscope Technologies Llc Capacitive-loaded jumper cables, shunt capacitance units and related methods for enhanced power delivery to remote radio heads
CN104735726A (zh) * 2013-12-23 2015-06-24 中兴通讯股份有限公司 一种基于多种无线接入网络的业务分流传输的方法及装置
US9448576B2 (en) 2014-02-17 2016-09-20 Commscope Technologies Llc Programmable power supplies for cellular base stations and related methods of reducing power loss in cellular systems
US10830803B2 (en) 2014-02-17 2020-11-10 Commscope Technologies Llc Methods and equipment for reducing power loss in cellular systems
US11333695B2 (en) 2014-02-17 2022-05-17 Commscope Technologies Llc Methods and equipment for reducing power loss in cellular systems
US10281939B2 (en) 2014-02-17 2019-05-07 Commscope Technologies Llc Methods and equipment for reducing power loss in cellular systems
US10056863B2 (en) * 2015-01-05 2018-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Technique for determining a time alignment error
US10416094B2 (en) 2016-03-31 2019-09-17 Northeastern University Characterization of dielectric slabs attached to the body using focused millimeter waves
WO2018084889A1 (en) * 2016-11-02 2018-05-11 Peregrine Semiconductor Corporation Mismatch detection using replica circuit
US10305433B2 (en) 2017-02-28 2019-05-28 Psemi Corporation Power amplifier self-heating compensation circuit
US10056874B1 (en) 2017-02-28 2018-08-21 Psemi Corporation Power amplifier self-heating compensation circuit
CN113796003A (zh) 2019-05-01 2021-12-14 康普技术有限责任公司 用于减少蜂窝系统中的功率损耗的方法和设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0938204A1 (de) * 1997-03-18 1999-08-25 Matsushita Electric Industrial Co., Ltd. Kalibrierungseinrichtung für gruppenantenne eines drahtlosen empfängers
WO2003021287A1 (en) * 2001-09-04 2003-03-13 Telefonaktiebolaget Lm Ericsson Antenna system and net drift verification

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE509782C2 (sv) 1997-07-29 1999-03-08 Ericsson Telefon Ab L M Förfarande och anordning vid antennkalibrering samt användning av dessa i ett radiokommunikationssystem
US6133868A (en) 1998-06-05 2000-10-17 Metawave Communications Corporation System and method for fully self-contained calibration of an antenna array
US6327299B1 (en) 1999-08-31 2001-12-04 Motorola, Inc. Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system
JP2003037454A (ja) * 2001-07-23 2003-02-07 Hitachi Ltd 高周波電力増幅回路
US7043273B2 (en) * 2002-01-15 2006-05-09 Telefonaktiebolaget Lm Ericsson (Publ) Diversity branch delay alignment in radio base station
US7127222B2 (en) * 2002-09-26 2006-10-24 Broadcom Corporation Automatic gain control adjustment of a radio receiver
US7421254B2 (en) * 2003-10-23 2008-09-02 Broadcom Corporation High linearity, high efficiency power amplifier with DSP assisted linearity optimization
WO2005069190A1 (en) * 2003-12-29 2005-07-28 Nokia Corporation Apparatus, and associated method, for detecting packets

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0938204A1 (de) * 1997-03-18 1999-08-25 Matsushita Electric Industrial Co., Ltd. Kalibrierungseinrichtung für gruppenantenne eines drahtlosen empfängers
WO2003021287A1 (en) * 2001-09-04 2003-03-13 Telefonaktiebolaget Lm Ericsson Antenna system and net drift verification

Also Published As

Publication number Publication date
US20080300003A1 (en) 2008-12-04
WO2006004526A1 (en) 2006-01-12
EP1763908A1 (de) 2007-03-21
EP1763908B1 (de) 2011-10-05
ATE527722T1 (de) 2011-10-15
US7729727B2 (en) 2010-06-01
CN1985403A (zh) 2007-06-20

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Granted publication date: 20120523

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CF01 Termination of patent right due to non-payment of annual fee